﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace WebApplication1
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            Label4.Text = DateTime.Now.ToString();
        }

        protected void Button1_Click1(object sender, EventArgs e)
        {
        Label5.Text = "此新闻来自:" + DropDownList1.Text + ",谢谢你提交的新闻";

        }

        protected void Button2_Click(object sender, EventArgs e)
        {
            DropDownList1.Text ="交换机";
            TextBox1.Text = "";
        }
    }
}